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Description as provided by this service:

The NIH Service Provider (SP) controls access by scientists, researchers, and collaborators worldwide to protected NIH systems and sites across all NIH Institutes, Centers, and Offices. To access resources protected by the NIH SP, external requestors are required to authenticate (often using multifactor authentication) and grant the release of a limited set of information such as name, email, and affiliation. (About NIH: The National Institutes of Health (NIH), an agency in the U.S. Department of Health and Human Services (HHS), is the medical research agency of the United States making important discoveries that improve health and save lives.)